Add gitignore based on Githubs boilerplate.
Remove virtualenv artifacts and add them to gitignore.
Merge branch 'master' of github.com:ntnu-smartmedia/elephant

# By Patrick Romstad
# Via Patrick Romstad
* 'master' of github.com:ntnu-smartmedia/elephant:
  Changed MoveLensParser from class to module
  Fixed build
  Fixed documentation